EVERY CAR ON THE ROAD TODAY HAS TYE ROOD,S END,S WHEN THEY START POPPING .TIME TO TAKE IT TO YOUR LOCAL OIL CHANGE AND LUBE SHOP. HAVE THE OIL CHANGED AND FILTER . AND GREASED .IF IT IS POPPING I KNOW IT,S HAS BEEN A WHILE IN BETWEEN OIL CHANGE,S AND GREASE JOB,S.